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  1. On a certain sum of money, the simple interest for 2 years is Rs. 350 at the rate of 4% per annum. If it was invested at compound interest at the same rate for the same duration as before, how much more interest would be earned ?
    1. Rs. 3.50
    2. Rs. 7
    3. Rs. 14
    4. Rs. 35
Correct Option: B

Time = 2 year , Rate = 4% , S.I. = Rs. 350
As we know that ,

Principal =
S.I. × 100
Time × Rate

Principal =
350 × 100
= Rs. 4375
2 × 4

Difference =
PR2
10000

Difference =
4375 × 4 × 4
= Rs. 7
10000



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